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Heavy Metals Content in Cloves Spices (Syzygium aromaticum) Cultivated in Zanzibar

DOI: 10.4236/oalib.1107502, PP. 1-8

Subject Areas: Applied Physics

Keywords: Heavy Metals, Zanzibar, Clove, Spice, Energy Dispersive X-Ray Fluorescence Spectrometer

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Abstract

The concentration of selected heavy metals (Chromium-Cr, Cadmium-Cd and Lead-Pb) collected from different sites of Unguja and Pemba were determined using Energy Dispersive X-Ray Fluorescence (EDXRF). The findings showed that Cr ranged from 10.3 to 16.25 ppm, Cd from 3.39 to 8.00 ppm and Pb from 0.35 to1.18 ppm for Pemba Island. For Unguja Island Cr ranged from (6.65 to 12.3 ppm, Cd ranged from (2.61 to 6.00) ppm and Pb ranged from (0.52 to 0.80 ppm). Significant elemental correlation (p ≥ 0.05) for all three metals detected from Unguja sites. The metal levels found from both sides of Islands were above standard limits set by FAO and WHO. The results of this study suggest that the levels of toxic metals detected from Zanzibar spices have potential risk to public health.

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Khamis, F. O. , Suleiman, S. A. , Sheikh, M. and Ali, A. O. (2021). Heavy Metals Content in Cloves Spices (Syzygium aromaticum) Cultivated in Zanzibar. Open Access Library Journal, 8, e7502. doi: http://dx.doi.org/10.4236/oalib.1107502.

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